Description
libxml2, possibly before 2.5.0, does not properly detect recursion during entity expansion, which allows context-dependent attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document containing a large number of nested entity references, aka the "billion laughs attack."
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://secunia.com/advisories/31868 ↗
- http://xmlsoft.org/news.html ↗
- http://www.stylusstudio.com/xmldev/200302/post20020.html ↗
- http://www.reddit.com/r/programming/comments/65843/time_to_upgrade_libxml2 ↗
- http://mail.gnome.org/archives/xml/2008-August/msg00034.html ↗
- http://www.redhat.com/support/errata/RHSA-2008-0886.html ↗